@Kevin_Z You are totally right, thanks! It works now. THe thing is I couldn't find anything in the documentation / help files and it is only possible to set these settings through the 'quickstart'....

Hi, I just changed internet provider, where it is required to set a VLAN id(100) on the WAN port. Several routers of other brands in the same price range support this, unfortunately the AX6000 does...

@xtremerox with fixed channel in beta software, 5ghz stopped working after 30 mins... any new beta firmware available?

@xtremerox I installed the beta software, channel selection on auto and 5ghz stops working after 1 hour, same symptons as before. the TP-link webinterface still says the channel (auto: current 36)...

@Kevin_Z Unfortunately 5ghz stopped working, despite the fixed channel. it says Channel N/A in the browser in the tplink admin page. I will now try the beta software and see how that goes

@Kevin_Z Hi, I have not installed the beta software yet. I chose fixed channels for both 2.4ghz and 5ghz and that seems to have solved the problem. For now for me that is fine, I don't know what else...